JPH01314776A - Method for beam dyeing and drying and apparatus therefor - Google Patents

Abstract

PURPOSE:To perform the subject process with saved labor in a short time by winding a textile product around a beam in a closed horizontal treatment tank which can be connected to either a dyeing circulation channel or a drying circulation channel by switching a change-over valve and carrying out the dyeing and drying of the textile in a state charged in the tank while continuously rotating the beam. CONSTITUTION:A textile product such as a nonwoven fabric is wound round a beam and treated in a closeable horizontal treatment tank. The connection of the treatment tank can be switched between a dyeing circulation channel and a drying circulation channel by a change-over valve connected to the tank. The change-over valve is operated to connect the tank to the dyeing circulation channel, the liquid level of the tank is adjusted to <=2/3 and the drying of the textile product is carried out at a low bath ratio by circulating the dyeing liquid solely from the inside to the outside of the beam while rotating the beam. The valve is switched to the drying circulation channel and the textile product is dried by circulating hot air while rotating the beam.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is a beam dyeing/drying method that is capable of dyeing and drying nonwoven fabrics and other textile products wound around a beam while rotating them in a sealable horizontal treatment tank. The present invention relates to a method and an apparatus thereof.

BACKGROUND OF THE INVENTION Conventionally, in beam dyeing, it has been customary to carry out a drying process after dyeing separately. However, especially in the case of a thin nonwoven fabric, unwinding or pulling both ends using a binder is unsuitable because there is a risk that the nonwoven fabric will break.

Recently, an invention has been disclosed in cheese dyeing in which dyeing and drying can be performed in the same processing tank. For example, as shown in Japanese Patent Application Laid-Open No. 62-787870.

Problems to be Solved by the Invention As mentioned above, when the dyeing and drying processes are performed separately, separate equipment must be provided, and in the case of beam dyeing, after unwinding the textile product wound around the beam, However, there is a disadvantage that it requires a step of loading the dryer, which is time-consuming.

In addition, when dyeing and drying are performed in the same processing tank, there is no need to rotate the dyed object when loading it onto a vertical spindle, such as in cheese dyeing, but it can be applied directly to beam dyeing. The problem was that when the product was set upright, the textile products wrapped around the beam for both dyeing and drying would collapse under their own weight, making uniform dyeing and uniform drying impossible.

An object of the present invention is to provide a beam dyeing and drying method and an apparatus therefor, which can achieve uniform dyeing and uniform drying while being loaded in a processing tank, and can save labor in beam dyeing.

Means for Solving the Problems In order to achieve the objects of the present invention, a first invention provides a method for treating a nonwoven fabric or other textile product wound around a beam in a sealable horizontal processing tank, which is connected to the processing tank. It is possible to switch between the dyeing circulation path and the drying circulation path using a switching valve. 1. A dyeing process in which the textile product is dyed by circulating a dye liquor while rotating, and a drying process in which the textile product is dried by circulating hot air while rotating, are carried out while the textile product is still loaded in the processing tank. The drying method was

As a second invention, in a method for treating nonwoven fabrics and other textile products wound around a beam in a sealable horizontal treatment tank, a switching valve connected to the treatment tank can be used to switch between a dyeing circulation path and a drying circulation path. , a dyeing process in which the liquid level in the treatment tank is set to 2/3 or less and the dyeing liquid is circulated only from the inside to the outside (IN-OUT) of the beam while rotating the textile product, thereby dyeing at a low bath ratio; A beam dyeing and drying method was adopted in which the drying step of drying the textile product by circulating hot air while rotating the textile product was carried out while the textile product was loaded in the processing tank.

Furthermore, as a device for realizing the first invention, there is provided a device for processing nonwoven fabrics and other textile products wound around a beam in a sealable horizontal processing tank, in which a beam loaded at one end of the processing tank is rotated. A rotary drive unit attached to the rotary drive unit 1iij 3 is connected to the processing tank through a switching valve connected to the processing tank, and a dye circulation path that circulates the dye solution through a heat exchanger and a pump. The drying circuit consists of a torrent trap, a cooler, a blower, a heater, and a drying circuit that circulates hot air through a switching valve. We provided beam dyeing and drying equipment for this process.

Effect: In the method of the first invention, although the nonwoven fabric and other textile products wound around the beam are processed in a closed horizontal processing tank with the textile products loaded horizontally, there is no constant processing during the processing. Because it rotates, there is no leakage of the processing solution due to the textile product losing its shape due to its own weight, and the problem of uneven dyeing has been solved, allowing the dyeing circuit to process the product evenly. . Also, the second
In the invention, since the treated surface is reduced to 2/3 or less and the beam is rotated at 1:3, a low bath ratio can be realized and uniform dyeing is possible.

After the dyeing process, you can easily switch to the drying process in a short time by switching the switching valve. As shown in the second aspect of the invention, in the drying process, the drying circulation path is provided with a switching cock, so that the hot air is switched between (IN-OUT) and (OUT-OUT).
IN) can be easily switched depending on the process.

Even during the drying process, the fibers wound around the beam are constantly rotated, so the windings are not biased to one side and are dried evenly.

The device according to the third invention includes a rotation drive unit for rotating the fiber 1+11 product wound around the beam, and a heat exchanger as a circulation path for the dye solution through a switching valve connected to the processing tank. It is provided so that the dye solution can be circulated through a pump. In addition, by switching the switching valve, the dyeing circuit is connected to the drying circuit, and hot air circulation and drying operation are ensured through the torrent trap, cooler, blower 1 heater, and switching cock.

Above J: Since the beam loaded horizontally in the sea urchin treatment tank is rotatable, unevenness between the top and bottom of the textile products wound around the beam is eliminated, and uniform dyeing and drying can be quickly achieved. It started to get worse.

Examples Examples of dyeing and drying using the method of the present invention are as follows.

Dyed material: PET/NY 50150 non-woven Ichikawa
Dyeing capacity: 60Kg 3000m Dyeing capacity: 60Kg 3000m After 140 minutes of dyeing process, drying was carried out for 80 minutes by switching the switching valve with the textile product wound around the beam still loaded. Uniform dyeing and drying were achieved in a shorter time than usual when dyeing and drying are performed separately.

An example of the device of the invention will be explained with reference to the drawings.

Reference numeral 1 designates a processing tank, which is a horizontal processing tank 3 that can be closed, into which fiber products 2 such as non-woven fabrics wrapped around beads 1 are loaded rotatably in the horizontal force direction.

3 is a rotary drive unit that has a ratchet mechanism and is provided with an air cylinder as a drive source. Reference numeral 4 denotes a dyeing ml circulation path for circulating dye liquor, which can be switched with a drying circulation path 9 for circulating hot air by a switching valve 5.6.7.8.

10 is a dye liquor heat exchanger, 11 is a pump, and a switching valve 5.6
By opening 7.8 and closing 7.8, the dye solution 12 is circulated from inside to outside (IN-OUT) of the textile product 2 in the treatment tank 1 through the dye circulation path 4. . Reference numeral 13 is a drain valve for draining the dye solution after dyeing.

By opening the switching valve 7.8 and closing the switching valve 5.6, the drying circuit 9 is connected to the treatment tank l. After the air sent from the blower 18 is heated by the heater 14, it is sent into the processing tank 1 via the switching cock and the switching valve 7 or 8. Inside the treatment tank 1, hot air is flowed from the inside of the beam to the outside (I
ll-OUT) or from the outside to the inside (OLl"l"-
IN) to! & At night, it flows through the entire product. Here, the moisture contained in the fibers is removed and the drying process is carried out. The hot air that has circulated through the textile product passes through the switch 111 and the switch 15 to the torrent trap 1b. In the tren trap 16, a large amount of tren squeezed during the dehydration process is discharged to the outside.The air sent to the cooler 17 is cooled here and the moisture contained in the air is turned into mist, and the air is sent to the cooler 17. It is removed by a demister attached inside. The air from which the mist has been removed is circulated to the blower 18.

Effects of the Invention As described in 1., the method of the present invention separates the dyeing circulation path and the drying circulation path by loading the textile product wound around a beam into a horizontal treatment tank that can be rotated horizontally and sealed. It is easy to use by switching the switching valve, and dyeing and drying can be carried out in the same processing tank.
-It turned out to be a sea urchin. Therefore, compared to the case where dyeing and drying are performed separately, labor can be saved and the process can be completed in a short time.

Since the textile products are constantly rotating in the treatment tank, they will not be lopsided or unevenly dyed in some areas. In the dyeing circulation path, it is possible to circulate a suitable dye liquor via a heat exchanger and a pump.

After draining, the hot air is switched to the drying circuit, and the hot air is switched to (OUT-IN) or (OUT-IN) by switching the switching cock.
It is possible to achieve a drying effect by obtaining circulation of IN-OLJT).

In order to realize the above method, the device of the present invention realizes switching between the dyeing circulation path and the drying circulation path using a switching valve, and switching between (OUT-IN) and (IN-OUT) hot air circulation using a switching cock. By installing a rotation drive unit at one end in the horizontal direction and making it possible to rotate the textile product while keeping it in the horizontal direction, it is possible to prevent deviation in the - force direction, enable uniform processing through rotation, and achieve a low bath ratio. It was realized. The drying action is also uniform, and compared to the conventional case where dyeing and drying are done separately, there is no need to take out, rewind, and load the product to the next process.
It can save labor, and since it is constantly rotating, uniform processing can be achieved, which has great effects.

[Brief explanation of the drawing]

The drawing is an explanatory diagram of the device of the present invention. 1... Processing tank 2... Textile products 3... Rotation drive unit 4... Dyeing circulation path 5.6.7
．． 8...Switching valve 9...Drying circuit 10...Heat exchanger 11...Pump 12...Dye liquid 14.
... Heater 15 ... Switching cock 16 ... Trent trap 17 ... Cooler 18 ... Blower

Claims (3)

[Claims] (1) A method for treating nonwoven fabrics and other textile products wrapped around a beam in a sealable horizontal treatment tank, in which a switching valve connected to the treatment tank is capable of switching between a dyeing circulation path and a drying circulation path; A dyeing process in which the textile product is dyed by circulating a dye solution while rotating, and a drying process in which the textile product is dried by circulating hot air while it is rotated, are carried out while it is loaded in the processing tank. Beam dyeing and drying method. (2) A method of treating nonwoven fabrics and other textile products wrapped around a beam in a sealable horizontal treatment tank, in which a switching valve connected to the treatment tank is capable of switching between a dyeing circulation path and a drying circulation path; A dyeing process in which the liquid level in the treatment tank is set to 2/3 or less and the dye liquid is circulated only from the inside to the outside (IN-OUT) of the beam while rotating the textile product, thereby dyeing at a low bath ratio; A beam dyeing and drying method characterized in that the drying step of drying the product by circulating hot air while rotating the product is carried out while the product is loaded in the processing tank. (3) A device for processing nonwoven fabrics and other textile products wrapped around a beam in a sealable horizontal processing tank, comprising: a rotation drive unit attached to one end of the processing tank to rotate the loaded beam; A dyeing circulation path that circulates the dye liquor through a heat exchanger and a pump through a switching valve connected to the processing tank, and a drain trap and a cooler through the switching valve connected to the processing tank. , a blower, a heater, and a drying circulation path for circulating hot air through a switching cock, and the beam dyeing/drying process is performed while rotating while being loaded in the processing tank. drying equipment.